EXPERT REPORT OF PATRICIA GURIN
Gratz, et al. v. Bollinger, et al., No. 97-75321 (E.D. Mich.)
Grutter, et al. v. Bollinger, et al., No. 97-75928 (E.D. Mich.)

Table D1
Detailed regression summary tables: CIRP data base, White students
Significant positive effects: blue square
Significant negative effects: blue diamond
Outcome Variable

Four-year democracy outcomes: Citizen engagement

Influencing the political structure
    Workshop model     Discussion model     Socializing model   Close friends in college
  were diverse model  
  Predictors r Step 1 Step 2 Step 3 r Step 1 Step 2 Step 3 r Step 1 Step 2 Step 3 r Step 1 Step 2 Step 3
  Classroom  .167 blue square blue square blue square  .169 blue square blue square blue square  .169 blue square blue square blue square  .168 blue square blue square blue square
  Informal interaction (model)  .208 blue square blue square blue square  .300 blue square blue square blue square  .115 blue square blue square blue square  .064 blue square blue square  

Influencing social values
    Workshop model     Discussion model     Socializing model   Close friends in college
  were diverse model  
  Predictors r Step 1 Step 2 Step 3 r Step 1 Step 2 Step 3 r Step 1 Step 2 Step 3 r Step 1 Step 2 Step 3
  Classroom  .176 blue square blue square blue square  .177 blue square blue square blue square  .177 blue square blue square blue square  .176 blue square blue square blue square
  Informal interaction (model)  .237 blue square blue square blue square  .288 blue square blue square blue square  .137 blue square blue square blue square  .030 blue square    

Helping others in difficulty
    Workshop model     Discussion model     Socializing model   Close friends in college
  were diverse model  
  Predictors r Step 1 Step 2 Step 3 r Step 1 Step 2 Step 3 r Step 1 Step 2 Step 3 r Step 1 Step 2 Step 3
  Classroom  .129 blue square blue square blue square  .130 blue square blue square blue square  .130 blue square blue square blue square  .129 blue square blue square blue square
  Informal interaction (model)  .157 blue square blue square blue square  .191 blue square blue square blue square  .140 blue square blue square blue square  .034      

Being involved in programs to clean up the environment
    Workshop model     Discussion model     Socializing model   Close friends in college
  were diverse model  
  Predictors r Step 1 Step 2 Step 3 r Step 1 Step 2 Step 3 r Step 1 Step 2 Step 3 r Step 1 Step 2 Step 3
  Classroom  .103 blue square blue square blue square  .104 blue square blue square blue square  .104 blue square blue square blue square  .103 blue square blue square blue square
  Informal interaction (model)  .167 blue square blue square blue square  .214 blue square blue square blue square  .102 blue square blue square blue square  .046 blue square    

Participating in community action program
    Workshop model     Discussion model     Socializing model   Close friends in college
  were diverse model  
  Predictors r Step 1 Step 2 Step 3 r Step 1 Step 2 Step 3 r Step 1 Step 2 Step 3 r Step 1 Step 2 Step 3
  Classroom  .194 blue square blue square blue square  .195 blue square blue square blue square  .196 blue square blue square blue square  .194 blue square blue square blue square
  Informal interaction (model)  .268 blue square blue square blue square  .304 blue square blue square blue square  .169 blue square blue square blue square  .037      
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